Phillips, B. (1966). Social research: Strategy & tactics. Macmillan & Co.
Lua i Stíl Chicago (17ú heag.)Phillips, B. Social Research: Strategy & Tactics. New York: Macmillan & Co, 1966.
Lua MLA (9ú heag.)Phillips, B. Social Research: Strategy & Tactics. Macmillan & Co, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.